* {
  margin: 0;
  padding: 0;
}
.container {
  position: relative;
  margin: 120px auto;
  width: 320px;
  height: 480px;
  background: url(../img/game_bg.jpg) no-repeat 0 0;
}
.container h1 {
  color: #F3F3F3;
  margin-left: 60px;
}
.container .progress {
  width: 180px;
  height: 16px;
  background: url(../img/progress.png) no-repeat 0 0;
  margin-top: 24px;
  margin-left: 63px;
}
.container .star {
  position: absolute;
  bottom: 140px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  font-size: 25px;
  border-radius: 20px;
  color: #F3F3F3;
  background: linear-gradient(#ff5500, #ff9501);
  border: none;
  z-index: 5;
}
.container .rules {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 25px;
  background-color: #707070;
  text-align: center;
  font-size: 19px;
}
.container .rule {
  position: absolute;
  left: 0;
  top: 0;
  text-align: center;
  padding-top: 120px;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  color: #FFF;
  display: none;
}
.container .rule p {
  margin-top: 20px;
}
.container .rule a {
  display: block;
  color: #FF0000;
  opacity: 1;
  font-size: 25px;
  font-weight: 800;
  margin-top: 40px;
  text-decoration: none;
}
.container .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  z-index: 10;
}
.container .mask h1 {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  color: #FF0000;
  font-size: 40px;
  text-shadow: 3px 2px 0 #F3F3F3;
}
.container .mask button {
  position: absolute;
  bottom: 140px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  font-size: 25px;
  border-radius: 20px;
  color: #F3F3F3;
  background: linear-gradient(#ff5500, #ff9501);
  opacity: 1;
  border: none;
}
